A Comparative Study on the Extraction of Au(III) Using Cyclopentyl Methyl Ether, Dibutyl Carbitol, and Methyl Isobutyl Ketone in Acidic Chloride Media

Oshima, Tairo; Koyama, Takao; Otsuki, Akira

doi:10.1080/07366299.2021.1874108

Cited by 12 publications

(7 citation statements)

References 25 publications

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“…The metal selectivity of BuP is similar to that of various ethers and ketones in previous studies [13,14,16,17].…”

Section: Extraction Selectivity For Metal Ions Using Bupsupporting

confidence: 83%

“…Figure Au(III) in the aqueous phase. Industrially, the concentration of Au(III) in the extracting solvents should be above 40 g/dm 3 [1,14]. The concentration of Au(III) in any solvents examined exceeded the threshold.…”

Section: Extraction Behaviors Of Au(iii) Using Aromatic Ketonesmentioning

confidence: 97%

“…MIBK extracts In(III) under high concentration of hydrochloric acid, probably due to the higher extractability [14], while BuP does not extract at all. Therefore, BuP can be used for the selective extraction of Ga(III) from the aluminum group.…”

Section: Extraction Selectivity For Metal Ions Using Bupmentioning

confidence: 97%

“…In solvation extraction, large quantity of Au(III) is extracted into the extracting solvents [1,6,14]. Figure Au(III) in the aqueous phase.…”

Section: Extraction Behaviors Of Au(iii) Using Aromatic Ketonesmentioning

confidence: 99%

“…In recent years, the authors have investigated extraction behaviors of Au(III) using various organic solvents. Cyclopentyl methyl ether (CPME) was found to be available for the extraction of Au(III) [13,14]. However, CPME is disadvantageous for applying in industrial process due to the low flash point [15].…”

Section: Introductionmentioning

confidence: 99%

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Extraction of Au(III) Using Aromatic Ketones in Acidic Chloride Media

OSHIMA,

MIYAKE,

HASHIZUME

et al. 2023

SERDJ

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Recently, the extraction of Au(III) using the series of aliphatic ketones in hydrochloric acid media has been investigated in detail. The present study describes the extraction behaviors of Au(III) using a series of aromatic ketones, which has never been reported. Aromatic ketones with shorter alkyl side chains showed higher extractability. The rapid extraction and the extraction capacity using aromatic ketones were comparable to the industrial extractant dibutyl carbitol (DBC). Aromatic ketones, except acetophenone, are less soluble in water than DBC. The flash points of aromatic ketones are satisfactorily high for industrial operation, but their specific gravities comparable to that of water are unwelcome. Butyrophenone selectively extracted Au(III) from many other metals, except for high extraction of Fe(III) and Ga(III) at high concentrations. Au(III) extracted using butyrophenone recovered quantitatively as metallic gold by reduction using oxalic acid.

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“…The metal selectivity of BuP is similar to that of various ethers and ketones in previous studies [13,14,16,17].…”

Section: Extraction Selectivity For Metal Ions Using Bupsupporting

confidence: 83%

Section: Extraction Behaviors Of Au(iii) Using Aromatic Ketonesmentioning

confidence: 97%

Section: Extraction Selectivity For Metal Ions Using Bupmentioning

confidence: 97%

“…In solvation extraction, large quantity of Au(III) is extracted into the extracting solvents [1,6,14]. Figure Au(III) in the aqueous phase.…”

Section: Extraction Behaviors Of Au(iii) Using Aromatic Ketonesmentioning

confidence: 99%